Lighting fixture



FIG. 1 is a perspective view of a lighting fixture showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view, thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown on the drawings depict environment only and form no part of the claimed design. 

CLAIM The ornamental design for a lighting fixture, as shown and described. 